Rivière· 96 segments
St. Joseph River
Crosses 13 administrative regions : Allen, Berrien, Branch, Calhoun, Cass +7
Total length
459km
Max discharge
101,8m³/s
Max Strahler
5
Segments matched
96
River geography13 admin regions · 0 communes
13 administrative regions crossed (GADM L2)
- Saint JosephMichigan · United States66.7 kmin this dpt
- BerrienMichigan · United States64.7 kmin this dpt
- WilliamsOhio · United States56.4 kmin this dpt
- Saint JosephIndiana · United States48.3 kmin this dpt
- CalhounMichigan · United States42.7 kmin this dpt
- AllenIndiana · United States41.3 kmin this dpt
- De KalbIndiana · United States37.2 kmin this dpt
- ElkhartIndiana · United States27.7 kmin this dpt
- HillsdaleMichigan · United States26.3 kmin this dpt
- BranchMichigan · United States25.2 kmin this dpt
- DefianceOhio · United States12.3 kmin this dpt
- Lake MichiganMichigan · United States3.3 kmin this dpt
- CassMichigan · United States0.5 kmin this dpt
27 intersecting protected areas
Marine Protected Area
Farm Service Agency Interest Of Mi
IUCN Not AssignedConservation Easement
Reserve Program
Watershed Protection
St Joseph River
IUCN VWildlife Area
Fish Creek
IUCN VWildlife Area
Fabius Township State
IUCN VGame Area
St Patricks County Park
IUCN VConservation Easement
08-11-0116
IUCN Not AssignedConservation Easement
18 more protected areassorted by area
McNabb - Walter
IUCN VNature Preserve
Webster Lake State Game
IUCN VLake
Hickory Creek
IUCN VPreserve
Watershed Protection
Redbud Riverfront
IUCN VNatural Area
Trillium Ravine
IUCN VPlant Preserve
Foxfire Woods
IUCN VNature Preserve
E.B. Clark Woods
IUCN VNature Reserve
Slayton Arboretum
IUCN VArboretum
06-11-0142
IUCN Not AssignedConservation Easement
06-11-0015
IUCN Not AssignedConservation Easement
Spafford Woods
IUCN VNature Preserve
87-13-0411
IUCN Not AssignedConservation Easement
Saint Joseph Valley
IUCN VWildlife Management Area
00-11-0047
IUCN Not AssignedConservation Easement
Upton Arboretum
IUCN VArboretum
03-11-0073
IUCN Not AssignedConservation Easement
Fish Ladder
IUCN Not AssignedConservation Area
1 page = 1 named river (aggregation of 96 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
260 distinct species · 2 403 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de St. Joseph River : 23 espèces reliées par 137 interactions GloBI sur 4 types (connectance 18.5%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
459km
Max discharge
101,8m³/s
Max Strahler
5
Segments matched
96
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.